The Ultimate Guide To Different Grades Of High Tensile Bolts

By Author: Ananka Group
Total Articles: 26
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What is a High Tensile Bolt?
For high-stress fastening applications, high tensile bolts are used. For instance, high tensile bolts are frequently used in the industrial settings associated with construction. These strong bolts support the weight of huge objects for many years or even decades by holding them together and supporting their weight.
How to Identify the Different Grades of High Tensile Bolts
By examining the markings on a bolt's head, you can typically determine the grade, or strength, of the fastener. The grades of English bolts (U.S.S. or S.A.E.) range from grade 2 to grade 8, with grade denoting inch strength.
Different Types of High Tensile Bolts
Ananka Group is one of the leading High Tensile Nut Bolt Manufacturers in India.The Following are some the different grades that they provide:

ASTM A320 Grade L7 Bolts: ASTM A320 Grade L7 Bolts is a material specification for high-temperature bolts, studs, nuts, and other fasteners. ...
... ASTM A320 Grade L7 is divided into four different property classes: A, B, C, and D, each having its own set of tensile and stress rupture qualities.

ASTM A320 Grade L7A Bolts: ASTM A320 Grade L7A Bolts is a material specification for alloy steel bolting materials for low-temperature pressure vessels, valves, flanges, and fittings.

ASTM A320 Grade L7B Bolts: ASTM A320 Grade L7B Bolts material is chemically equivalent to ASTM B638 grade 660 stainless steel alloy, also known by alloy A286 and UNS S66286, heat treated to achieve properties defined in ASTM A453 specification. ASTM A320 Grade L7B is a notch toughened heat-treated chromium-molybdenum alloy steel (AISI 4140/AISI 4140H).

ASTM A320 Grade L7C Bolts : ASTM A320 Grade L7C Bolts is a material specification for high-temperature bolts, studs, nuts, and other fasteners.This grade is intended for low temperature service down to minus 150° F and has a minimum Charpy impact value of 20 ft. lbs. at this temperature.

Conclusion
There are plenty of options available in the market when you start looking for bolt types, making the selection more challenging and confusing. Also, some bolts that offer high strength when used in certain materials may not provide similar strength for other materials. Therefore, choosing the right bolt type depending on your application is crucial for smooth installation.

Ananka Fasteners is an outstanding ASTM A320 Grade L7 Stud Bolts Manufacturer in India. We manufacture ASTM A320 Grade L7 Stud Bolts Fasteners of unrivaled quality. We stringently evaluate the quality of all our products at each stage, right from the procurement of the raw material, to production, storage and delivery